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About LNSM LLC
LNSM LLC operates as a Dallas-based HVAC contractor delivering heating and cooling solutions throughout the Dallas-Fort Worth metroplex, including Richardson, Garland, and Plano neighborhoods. The company has earned a flawless 5.0-star rating from eight client reviews, reflecting consistent service quality and craftsmanship. Homeowners across the region turn to LNSM LLC for both routine maintenance and emergency repairs.
This contractor specializes in Amana heat pump installations, featuring the advanced AZV6S variable-speed model. The team handles complete system replacements including air handler and condenser units, complemented by whole-house duct cleaning and Decon-7 fogging for smoke odor removal. Their expertise extends to troubleshooting complex electrical shorts and restoring compromised HVAC systems, demonstrated in detailed repair scenarios documented in client feedback.
Customer reviews highlight technician Logan Merkey, who managed a Same-Day emergency response following an early-morning electrical fire that damaged an air handler and filled a home with smoke. After four hours of diagnostic work, Merkey restored system operation before installing a complete Amana S-series heat pump system. Reviewer Sukru Gilman noted Merkey's willingness to explain every component thoroughly, while Jacob Attaway praised the company's detailed approach and professional demeanor.
What Customers Say
Eight reviewers awarded perfect 5-star ratings, with three clients specifically naming technician Logan Merkey for his emergency response and detailed explanations. Multiple reviews highlight same-day service capability and whole-home solutions including duct cleaning and odor remediation.
Services
Heat Pump Installation
Amana S-series heat pump and variable-speed air handler installation with new condenser units.
AC Repair & Maintenance
Diagnostic services, electrical short troubleshooting, and component-level repair for all major brands.
Duct Cleaning
Professional brushing and vacuuming of entire home ductwork systems.
Indoor Air Quality Treatment
Decon-7 fogging to eliminate smoke, odor, and airborne contaminants.
System Replacement
Complete removal and installation of new HVAC systems including older unit disposal.